Ejemplo n.º 1
0
// BidiTransform is used to handle RTL text flipping in the string
void CGUITextLayout::BidiTransform(vector<CGUIString> &lines, bool forceLTRReadingOrder)
{
  for (unsigned int i=0; i<lines.size(); i++)
  {
    CGUIString &line = lines[i];

    // reserve enough space in the flipped text
    vecText flippedText;
    flippedText.reserve(line.m_text.size());

    character_t sectionStyle = 0xffff0000; // impossible to achieve
    CStdStringW sectionText;
    for (vecText::iterator it = line.m_text.begin(); it != line.m_text.end(); ++it)
    {
      character_t style = *it & 0xffff0000;
      if (style != sectionStyle)
      {
        if (!sectionText.IsEmpty())
        { // style has changed, bidi flip text
          CStdStringW sectionFlipped = BidiFlip(sectionText, forceLTRReadingOrder);
          for (unsigned int j = 0; j < sectionFlipped.size(); j++)
            flippedText.push_back(sectionStyle | sectionFlipped[j]);
        }
        sectionStyle = style;
        sectionText.clear();
      }
      sectionText.push_back( (wchar_t)(*it & 0xffff) );
    }

    // handle the last section
    if (!sectionText.IsEmpty())
    {
      CStdStringW sectionFlipped = BidiFlip(sectionText, forceLTRReadingOrder);
      for (unsigned int j = 0; j < sectionFlipped.size(); j++)
        flippedText.push_back(sectionStyle | sectionFlipped[j]);
    }

    // replace the original line with the proccessed one
    lines[i] = CGUIString(flippedText.begin(), flippedText.end(), line.m_carriageReturn);
  }
}
Ejemplo n.º 2
0
void CGUITextLayout::utf8ToW(const CStdString &utf8, CStdStringW &utf16)
{
#ifdef WORK_AROUND_NEEDED_FOR_LINE_BREAKS
  // NOTE: This appears to strip \n characters from text.  This may be a consequence of incorrect
  //       expression of the \n in utf8 (we just use character code 10) or it might be something
  //       more sinister.  For now, we use the workaround below.
  CStdStringArray multiLines;
  StringUtils::SplitString(utf8, "\n", multiLines);
  for (unsigned int i = 0; i < multiLines.size(); i++)
  {
    CStdStringW line;
    g_charsetConverter.utf8ToW(multiLines[i], line);
    line.Replace(L"\r", L"");  // filter out '\r'
    utf16 += line;
    if (i < multiLines.size() - 1)
      utf16.push_back(L'\n');
  }
#else
  g_charsetConverter.utf8ToW(utf8, utf16);
#endif
}